def sumt_two(num1, num2):
    sum = num1 + num2
    print('%d+%d=%d' % (num1, num2, sum))


# sumt_two(50, 20)
def test1():
    print('*' * 50)
    print('test1')
    print('*' * 50)


# test1()嵌套调用
def test2():
    print('-' * 50)
    print('test2')
    test1()
    print('-' * 50)


# test2()
a=1
b=a
print(id(b))
def rog():
    print('rog-ace-hfx')
rog()